present?, any?, exists?

nabinno のブックマーク 2016/12/10 17:48

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/311898057/comment/nabinno" data-user-id="nabinno" data-entry-url="https://b.hatena.ne.jp/entry/s/www.ombulabs.com/blog/benchmark/performance/rails/present-vs-any-vs-exists.html" data-original-href="https://www.ombulabs.com/blog/benchmark/performance/rails/present-vs-any-vs-exists.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwww.ombulabs.com%2Fblog%2Fbenchmark%2Fperformance%2Frails%2Fpresent-vs-any-vs-exists.html" data-user-icon="/users/nabinno/profile.png">Present? Vs Any? Vs Exists? - The Lean Software Boutique</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/mauro-otonelli">mauro-otonelli</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/ruby-on-rails">ruby-on-rails</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/ruby">ruby</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/activesupport">activesupport</a>]</li></ul><br><p style="clear: left"> present?, any?, exists?</p><a class="datetime" href="https://b.hatena.ne.jp/nabinno/20161210#bookmark-311898057"><span class="datetime-body">2016/12/10 17:48</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

このブックマークにはスターがありません。
最初のスターをつけてみよう！

Present? Vs Any? Vs Exists? - The Lean Software Boutique

www.ombulabs.com2016/12/10

Need to upgrade your app to 7.0? We can help with our productized consulting service. Mauro Otonelli on Benchmark, Performance, Rails When working on a Rails project, you may have seen present? cal...

6 人がブックマーク・2 件のコメント

他のコメントを読む

＼コメントがサクサク読めるアプリです／

はてなブックマーク

Present? Vs Any? Vs Exists? - The Lean Software Boutique

はてなブックマーク

公式Twitter

はてなのサービス